<template>
  <div class="tab-control">
    <div
      v-for="(item, index) in titles"
      :key="index"
      class="tab-control-item"
      :class="{ active: index === currentIndex }"
      @click="itemClick(index)"
    >
      <span>{{ item }}</span>
    </div>
  </div>
</template>

<script>
export default {
  name: 'TabControl',
  props: {
    titles: {
      type: Array,
      default() {
        return []
      }
    }
  },
  data() {
    return {
      currentIndex: 0
    }
  },
  methods: {
    itemClick(index) {
      this.currentIndex = index
      this.$emit('tabClick', index)
    }
  }
}
</script>

<style scoped>
.tab-control {
  position:fixed;
  z-index: 9;
  display: flex;
  justify-content: space-around;
  height: 44px;
  line-height: 44px;
}
.active {
  color: hotpink;
}
.tab-control span {
  padding: 5px;
}
.active span {
  border-bottom: 3px solid hotpink;
}
</style>
